Whatman 滤膜 112810 Nuclepore径迹蚀刻膜 圆型, 293mm 1.0m 25/盒

Whatman 滤膜 112810 Nuclepore径迹蚀刻膜 圆型, 293mm 1.0m 25/盒 NUC PC 293MM 1.0uM 25/PK